Ajar is filled with a diluted chemical, five parts of which are water and seven parts are chemical. How many parts of the mixture must be drawn off and replaced with water so that it is half water and half chemical?

Q: in the U.S, 37% of households have dogs, 30% of households have cats, and 7% of households have both…

A: Addition rule of probability:Addition rule of probability indicates the happening either of the…

Q: 17% of the students on campus have two jobs. There are 12,000 students on campus. How many students…

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A: To Find How much money is James earn?

Q: Jerry has a stack of coloured paper. 5/8 of the sheets of paper are blue. 30% of the remaining…

A: Jerry has a stack of coloured paper. 5/8 of the sheets of paper are blue. 30% of the remaining…

Q: If erwan owns 120 books of which 70% are fantasy and Julie has 80 books of which 25% are fantasy.…

A: Given, Erwan has 120 books of which 70% are fantasy books, and Julie has 80 books out of which 25%…

Q: 6% of 800 boxes of juice are delivered to M&C convenience store, 23% to St. George store, and 42% to…

A: Given that of  boxes of juice are delivered to M&C convenience store,  to St. George store, and…

Q: In a box there are 15 fruits. If 5 fruits are consumed by 3 people, how many people can consume the…

A: The solution to the given question is explained below.

Q: On a class trip of 40 students 14 are male what % is female

A: The total number of students is 40. The number of male students is 14. Therefore, the number of…

Q: 20% of the 35 students in Mr. Box’s class enjoy eating broccoli. How many students like broccoli?

A: 20% of the 35 students in Mr. Box’s class enjoy eating broccoli.

Q: Sam reads 30 pages of a book in 40 minutes. Which statement identifies a person with the same…

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Q: At a class, 40% are sophomores, and 50% of the students like fencing. Of the students that like…

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Q: One-ha!f of the class wore red and one-third of it wore biue. What part of the class wore either red…

A: let the total number of students in a class be x  Therefore the part of class who wore red is 12x…

Q: At a class, 80% are female and 40% of the students like swim. Of the students that like swim, 60%…

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Q: t in their product. Recently manufactured products were analyzed and the results were mg Secret…

A: μ = 0.75 x 0.75 0.758 0.756 0.748 0.752 0.755 0.746

Q: In professor Shannon’s economics class there are 12 male students. Females represent 60% of the…

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Q: Bill commutes to work in the business district of Boston. He takes the train 2/5 of the time and…

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Q: Out of 120 customers asked at a restaurant, 38 rounded their bill up to the next whole dollar and…

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